Finding the Fourth Proportional to 11,712,949.12, 16,163,757.19 and 6,749,567
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Solution
The fourth proportional to 11,712,949.12, 16,163,757.19 and 6,749,567 is: 9,314,337.58
Step by Step Solution
- Step 1: Write the proportion equation
11,712,949.12 : 16,163,757.19 = 6,749,567 : x - Step 2: Convert to fraction form
11,712,949.12/16,163,757.19 = 6,749,567/x - Step 3: Cross multiply
11,712,949.12x = 16,163,757.19 × 6,749,567 - Step 4: Simplify right side
11,712,949.12x = 109,098,362,125,636.72 - Step 5: Solve for x
x = 109,098,362,125,636.72/11,712,949.12 - Step 6: Final answer
x = 9,314,337.58
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.